Attachment for stapling machines



June 23, 1931. L. OBSTFELD ATTACHMENT FOR STAPLING MACHINES Filed June 11, 1929 Lou ODSTFELD ATTORNEY Patented June 23, 1931 4 v UNITED STATES PATENT OFFICE LOU OBSTFELD, OF BROOKLYN, NEW YORK ATTACHMENT FOR STAPLING MACHINES Application filed June 11, 1929. Serial No. 370,052. 2

This invention relates to attachments for provided with a downwardly projecting end stapling machines of the small hand type and portion which engages the closed end of has reference particularly to a gripping jaw the staple and upon depression of the hampivotally connected to the stapling machine mer drives the staple through a guideway 16 5 and adapted to take hold of materials to be into the underlying surface.

stretched and tacked so as to bring the same The under surface of the base or magain the path of the staples which are driven zine section 11 is perfectly fiat up to the by the machine. point where the guideway 16 begins, the

The type of stapling machine to which the point being rearwardly of the path of'the 0 present invention is particularly applicable staple. The under surface at this point and is commonly used for tacking signs in place, for a short distance rearwardly thereof fixing the wire mesh of screens in position forms a fixed jaw 17. Pivotally mounted on on their frames or in other capacity where a'pin or screw 18 carried on one side of the the article or material being mounted must magazine 11 is the movable jaw member 19,

15 be held in stretched condition during the which comprises a strip of steel having an tacking process. upright portion movable along the side of It is the object of my invention to provide the base and handle members 11 and 12, a means carried by any of the well known jaw portion 20 bent at right angles to the uptypes of hand stapling machines for gripright portion and projected underneath the 0 ping the material, being mounted, between fixed jaw 17, and a lever portion 21 bent at the base plate of the machine and a movable substantially right angles to the upright porjaw whereby the latter is capable of firmly tion and in a direction rearwardly of the engaging the material while it is being machine, so as to overlie the grip 12 and enstretched and fastened down by a staple. able the operator with one hand to grip the 5 The present invention has the advantage, handle 12 and at the same time press downdue to its special construction of enabling wardly on lever 21 to close the movable jaw the operator to hold the stapling machine in 20 against the fixed jaw 17 The jaw is norone hand against an upright surface, while mally held in open position by a spring 22 manipulating the gripping jaw with the which. is coiled about a screw 23 in the side 30 same hand, thus leaving the other hand freei of the base and which has one end engaged to drive the staple. against the upright portion of the j aw, mem- I accomplish these objects by means of her 19 and the other end anchored in the the device hereinafter described and claimed base 11. and illustratively exemplified in the accom- In the operation of the device, the mate- 35 panying drawings in which, Figure 1 is a rial A to be attached and stretched is disside elevational view of a stapling machine posed at its edge between the jaws 17 and 20 equipped with the clamping jaw; Figure 2 and the lever end 21 depressed by the hand is a front elevational view of the same with gripping the handle 12 as illustr atively exthe jaw open; and Figure 3 is a perspective emplified in Figure 1. This operation closes view of the jaw separated from the machine. the jaw 20 and the material is thus firmly Referrin to the drawings, 10 denotes the gripped and may be "moved about or stretched frame of a hand stapling machine which conas desired. Having properly located the porsists of the base and magazine section 11, tion of the material to be attached the hamhand grip 12 disposed substantially parallel mer His depressed by a blow from the other to the magazine and spaced therefrom dihand which drives the staple. through the rectly over the latter, as illustrated in Figure stretched material just in front of the por- 1. The magazine 11 and hand grip 12 at tion gripped between the jaws.

their forward end are an integral part of an Having now described my invention What upright portion 13 designed to support and I claim and desire to secure by Letters Patmo 50 guide the hammer 14. The hammer 14 is cut is:

1. In a stapling device having an upright staple driving arrangement, a lateral base portion and hand ip spaced thereover, the combination of gr1pping means mounted on the device and having a aw portion operating under the base, and a lever projecting over the hand grip whereby the stapling device may be held and gripping means operated in the same hand.

2. In combination with a hand operatedstapling device,-comprising an upright hammer, a base section to rest against the work and .a hand grip spaced over the base section, a lever member pivotally mounted on the base section and having a jaw portion movable against the under side of the base rearwardly of the path of the staples driven by the hammer, and a grip portion projecting rearwardly over the hand grip.

In testimony whereof he has aflixed his signature.

LOU OBSTFELD. 

